Product Description ZPZ digital driller employs AC srevo motor to drive the X axis and Y axis, while its Z axis is positioned by high accuracy raster.By using semi-closed closure digital control system,the machine has reliable performance.The operation of the machine can either be automatic or manual. This machine is widely used in steel frame contruction. Technical Parameter Model ZPZ160 ZPZ200 ZPZ400 ZX1520H Drilling diameter φ50 φ60 φ60 φ50…